[PATCH net] ipv6: fix endianness error in icmpv6_err

IPv6 ping socket error handler doesn't correctly convert the new 32 bit
mtu to host endianness before using.

Cc: Lorenzo Colitti <redacted>
Fixes: 6d0bfe22611602f ("net: ipv6: Add IPv6 support to the ping socket.")
Signed-off-by: Hannes Frederic Sowa <redacted>
---
 net/ipv6/icmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 4527285fcaa2c2..a4fa840769690a 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c

@@ -98,7 +98,7 @@ static void icmpv6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 
 	if (!(type & ICMPV6_INFOMSG_MASK))
 		if (icmp6->icmp6_type == ICMPV6_ECHO_REQUEST)
-			ping_err(skb, offset, info);
+			ping_err(skb, offset, ntohl(info));
 }
 
 static int icmpv6_rcv(struct sk_buff *skb);

-- 
2.5.5

On Sun, Jun 12, 2016 at 3:32 AM, Hannes Frederic Sowa
[off-list ref] wrote:

IPv6 ping socket error handler doesn't correctly convert the new 32 bit
mtu to host endianness before using.
...
        if (!(type & ICMPV6_INFOMSG_MASK))
                if (icmp6->icmp6_type == ICMPV6_ECHO_REQUEST)
-                       ping_err(skb, offset, info);
+                       ping_err(skb, offset, ntohl(info));
 }

Acked-by: Lorenzo Colitti <redacted>

From: Hannes Frederic Sowa <redacted>
Date: Sat, 11 Jun 2016 20:32:06 +0200

IPv6 ping socket error handler doesn't correctly convert the new 32 bit
mtu to host endianness before using.

Cc: Lorenzo Colitti <redacted>
Fixes: 6d0bfe22611602f ("net: ipv6: Add IPv6 support to the ping socket.")
Signed-off-by: Hannes Frederic Sowa <redacted>

Applied.